Mass Effect was suddenly over and I felt similarly about the second. Both ere a bit short, but they were good fun. However, I feel they perhaps get a bit hype just for being Bioware RPGs. I think I had more fun playing f.ex Assassin's Creed II or Red Dead Redemption than I did playing any of the Mass Effects.
Dragon Age was the most enjoyable out of these Bioware titles for me, although it had some pretty embarassing scenes in it. For example :